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Heated Rear Window


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#1 AndrewC

AndrewC

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Posted 11 September 2019 - 04:59 PM

Helping someone with a heated rear window problem.

 

Switch has three circuits involved:-

 

a) the lighting circuit which passes through the switch.
 

ii) the little circuit which controls the on/off HRW tell tale lamp which is protected by a 7.5A fuse
 

and
 

3) the main circuit which activates the heated rear window relay.

 

The relay itself is mounted on a small panel above the in-cabin fuse box, behind the dashboard, and is a small cube about an inch square.    From there the feed travels down the passenger side of the car and up the B pillar to a connector to the rear window.

 

Sometimes the connectors where the wires attach to the rear screen fractures, these can be re-soldered on, or re-attached using electrically conductive glue.    You can buy electrically conductive glue or you can make your own by filing down a steel bolt and then mixing those filings into a 2 part epoxy glue such as Araldite to make a very metallicly paste.   you need a lot more filings than you may think.

 

 

 


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